Contents.
      planet: 7 - Uranus  
  satellites: U1-Ariel   : 15,
              U2-Umbriel : 17,
              U3-Titania : 53,
              U4-Oberon  : 58
total number: 143
        type: relative
       dates: 1863-1865
 observatory: Malta, latitude 25 deg 55'

References.
   Lassel W. (1867)
   Observations of Planets and Nebulae at Malta.
   Memoirs of the Royal astronomical society. V. 26. P. 1-32.
   1867MmRAS__36____1L

Informations.
         relative to: planet
     reference frame: apparent
     centre of frame: topocentre
    epoch of equinox: date
          time scale: Grinwich Mean Time
           reduction: no information
         coordinates: position angle and separation
    diff. refraction: no information
            receptor: micrometric
           telescope: Equatoreal, D=2-foot
           observers: W. Lassel
 data included in standard data file: no

Comments.
          no information

Format.
  1. Observed satellite number (N sat)
  2. Year    of the moment of observation
  3. Month   of the moment of observation
  4. Day     of the moment of observation 
  5. Hour    of the observation
  6. Minute  of the observation with decimals
  7. P (position angle) in degrees (999.9 if not given)
  8. S (separation) in arcsec (-99.99 if not given)
 
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N  Year        G.M.T.           
sat  month     h  m      P        S  
          day         degrees   arcsec
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